swap_horiz Need Grams to Cups instead?

How Much Is 0.21 Cups of Powdered Sugar in Grams?

0.21 cups of powdered sugar equals 25.20 g. Powdered sugar has a density of 120g per cup (120g per cup), which means it's relatively light compared to other common cooking ingredients. For comparison, 0.21 cups of honey would be 71.4 g.

0.21 cups of powdered sugar
=
25.20g
Result using all cup standards info
25.20 g (US) 26.63 g (Metric Cup) 30.26 g (Imperial Cup)
0.21 cups of powdered sugar is also
25.20

Formula and Step-by-Step

cups × 120g/cup = grams
  1. Start with 0.21 cups of powdered sugar
  2. 1 cup of powdered sugar = 120g
  3. 0.21 × 120 = 25.2g

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

Powdered sugar settles significantly during storage. Sifted powdered sugar weighs about 100g per cup compared to 120g unsifted - check whether your recipe means sifted or unsifted.

Powdered Sugar at Different Amounts

How powdered sugar scales across common cups measurements. Your amount (0.21 cups) is highlighted.

0.21 cups25.2 g0.25 cups30 g0.33 cups39.6 g0.5 cups60 g0.75 cups90 g1 cup120 g1.5 cups180 g2 cups240 g

For reference, 0.21 cups of powdered sugar (25.2g) is close in weight to an AA battery (23g).

Other Amounts of Powdered Sugar

Cups US Grams Metric Cup Imperial Cup
0.21 cups 25.20 g 26.63 g 30.26 g
0.25 cups 30.00 g 31.70 g 36.03 g
0.33 cups 39.60 g 41.84 g 47.56 g
0.5 cups 60.00 g 63.40 g 72.06 g
0.75 cups 90.00 g 95.10 g 108.09 g
1 cup 120.00 g 126.80 g 144.11 g
1.5 cups 180.00 g 190.20 g 216.17 g
2 cups 240.00 g 253.61 g 288.23 g
3 cups 360.00 g 380.41 g 432.34 g
4 cups 480.00 g 507.21 g 576.46 g
5 cups 600.00 g 634.01 g 720.57 g

Understanding the Units

What is a Cup?

The US cup (236.588 ml) is slightly smaller than the metric cup used in Australia and some other countries (250 ml). When following recipes from different countries, check which cup standard is being used.

What is a Gram?

Grams are the preferred unit in professional kitchens and bakeries because they allow exact recipe scaling. To double a recipe, simply double the gram values. No need to worry about how tightly an ingredient is packed into a cup.

Frequently Asked Questions

About 25.20 g, based on powdered sugar having a density of 120g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of cups by 120 (grams per cup for powdered sugar). For 0.21 cups: 0.21 × 120 = 25.20 g.
For the most accurate results, weigh powdered sugar on a kitchen scale. If measuring by volume, spoon the ingredient into the measuring cup and level it off with a straight edge rather than scooping directly.
Granulated and powdered sugars should be spooned into the measuring cup and leveled off. Do not pack them unless the recipe specifically says to.
Reverse the conversion: 25.20 g ÷ 120 = 0.21 cups. Or use the Grams to Cups converter.